study_external_IDs: Get external identifiers for data associated with an Open Tree study
Description
Data associated with studies contributing to the Open Tree synthesis may
be available from other databases. In particular, trees and alignments
may be available from treebase and DNA sequences and bibliographic
information associated with a given study may be available from the NCBI.
This function retrieves that information for a given study.
Usage
study_external_IDs(study_id)
Arguments
study_id
An open tree study ID
Value
A study_external_data object (which inherits from a list) which
contains some of the following.doi, character, the DOI for the paper describing this studyexternal_data_url, character, a URL to an external data repository
(e.g. a treebase entry) if one exists.pubmed_id character, the unique ID for this study in the NCBI's pubmed databasepopset_ids character, vector of IDs for the NCBI's popset databasenucleotide_ids character, vector of IDs for the NCBI's nucleotide database